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Finding the Fourth Proportional to 202.92, 280.06 and 133.04

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Solution

The fourth proportional to 202.92, 280.06 and 133.04 is: 183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.92 : 280.06 = 133.04 : x
  2. Step 2: Convert to fraction form
    202.92/280.06 = 133.04/x
  3. Step 3: Cross multiply
    202.92x = 280.06 × 133.04
  4. Step 4: Simplify right side
    202.92x = 37,258.72
  5. Step 5: Solve for x
    x = 37,258.72/202.92
  6. Step 6: Final answer
    x = 183.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.